Test to make sure styles toggle as expected and tag-based styles can be removed by editing commands. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS document.compatMode is "BackCompat" PASS bold toggle PASS bold removing b PASS bold removing font-weight: bold PASS bold removing strong PASS italic toggle PASS italic removing i PASS italic removing font-style: italic PASS italic removing em PASS subscript toggle PASS subscript removing sub PASS subscript removing vertical-align: sub PASS superscript toggle PASS superscript removing sup PASS superscript removing vertical-align: super PASS strikethrough toggle FAIL strikethrough removing strike -- test PASS strikethrough removing text-decoration: line-through FAIL strikethrough removing s -- test PASS underline toggle FAIL underline removing u -- test PASS underline removing text-decoration: underline PASS successfullyParsed is true TEST COMPLETE